/* ========================================
   ABOUT SECTION CSS
   ======================================== */

/* ============================================
   ABOUT ── アウトライン文字レイヤー（案K）
   巨大な抜き文字「ABOUT」を版面からはみ出させ、
   左に見出し／右に本文の2カラムで重ねる。写真は使わない。
   ============================================ */
.about {
    position: relative;
    background: linear-gradient(160deg, var(--bg-white) 0%, #F3F7F2 100%);
    overflow: hidden;
}

/* 薄いドットグリッド（右上にだけふわっと出す） */
.about-k::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(45, 140, 78, 0.16) 1px, transparent 1px);
    background-size: 22px 22px;
    -webkit-mask-image: radial-gradient(ellipse at 78% 28%, #000 0%, transparent 62%);
    mask-image: radial-gradient(ellipse at 78% 28%, #000 0%, transparent 62%);
    pointer-events: none;
    z-index: 0;
}

/* 巨大な抜き文字 */
.about-k__word {
    position: absolute;
    left: -3vw;
    top: 8%;
    font-family: var(--font-heading-en);
    font-size: clamp(7rem, 20vw, 19rem);
    font-weight: var(--fw-black);
    line-height: 0.85;
    letter-spacing: -0.02em;
    color: transparent;
    -webkit-text-stroke: 1.5px rgba(27, 45, 91, 0.14);
    user-select: none;
    pointer-events: none;
    white-space: nowrap;
    z-index: 0;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1.4s ease, transform 1.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.about-k.is-view .about-k__word {
    opacity: 1;
    transform: none;
}

.about .container {
    position: relative;
    z-index: 2;
}

.about-k__inner {
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: clamp(2rem, 5vw, 5rem);
    align-items: center;
}

/* --- 左：ラベル＋見出し --- */
/* 他セクションの見出しラベル（.about__label）とサイズを揃える */
.about-k__label {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading-en);
    font-size: clamp(1.05rem, 1.4vw, 1.2rem);
    font-weight: var(--fw-bold);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.about-k__title {
    font-family: var(--font-heading-jp);
    font-size: clamp(2.1rem, 4.2vw, 3.1rem);
    font-weight: var(--fw-bold);
    color: var(--color-navy);
    letter-spacing: 0.2em;
    line-height: 1.45;
}

/* 一文字ずつ、ぼやけた状態から焦点が合う */
.about-k__ch {
    display: inline-block;
    opacity: 0;
    transform: translateY(0.35em);
    filter: blur(5px);
}

.about-k.is-view .about-k__ch {
    animation: aboutKCharIn 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes aboutKCharIn {
    to { opacity: 1; transform: none; filter: blur(0); }
}

/* --- 右：本文 --- */
.about-k__lead {
    font-family: var(--font-heading-jp);
    font-size: clamp(1.15rem, 2vw, 1.5rem);
    font-weight: var(--fw-semibold);
    color: var(--color-navy);
    line-height: 2;
    padding-bottom: var(--space-md);
    margin-bottom: var(--space-md);
    border-bottom: 1px solid rgba(27, 45, 91, 0.14);
}

.about-k__text {
    font-size: var(--fs-body);
    line-height: 2.3;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.about-k__more {
    display: inline-flex;
    align-items: center;
    gap: 0.9rem;
    font-family: var(--font-heading-jp);
    font-size: 0.95rem;
    font-weight: var(--fw-bold);
    color: var(--color-navy);
    padding: 0.8rem 1.6rem;
    border: 1.5px solid var(--color-navy);
    border-radius: 4px;
    transition: background var(--transition-base), color var(--transition-base),
                border-color var(--transition-base), gap var(--transition-base);
}

.about-k__more:hover {
    background: var(--color-navy);
    color: var(--text-white);
    gap: 1.3rem;
}

/* --- 出現（セクションが見えたら順に） --- */
.about-k__label,
.about-k__lead,
.about-k__text,
.about-k__more {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 1s ease, transform 1s cubic-bezier(0.22, 1, 0.36, 1);
}

.about-k.is-view .about-k__label { opacity: 1; transform: none; transition-delay: 0.15s; }
.about-k.is-view .about-k__lead  { opacity: 1; transform: none; transition-delay: 0.55s; }
.about-k.is-view .about-k__text  { opacity: 1; transform: none; transition-delay: 0.75s; }
.about-k.is-view .about-k__more  { opacity: 1; transform: none; transition-delay: 0.95s; }

@media (max-width: 900px) {
    .about-k__inner { grid-template-columns: 1fr; gap: var(--space-lg); }
    .about-k__word { top: 2%; font-size: clamp(5rem, 26vw, 10rem); }
}

@media (prefers-reduced-motion: reduce) {
    .about-k__word,
    .about-k__ch,
    .about-k__label,
    .about-k__lead,
    .about-k__text,
    .about-k__more {
        opacity: 1 !important;
        transform: none !important;
        filter: none !important;
        animation: none !important;
        transition: none !important;
    }
}

/* 汎用：他セクションでもAboutと同じ中央寄せヘッダーを使える */
.section-center-header {
    text-align: center;
    max-width: 820px;
    margin: 0 auto var(--space-2xl);
}

.about__label {
    font-family: var(--font-heading-en);
    font-size: clamp(1.05rem, 1.4vw, 1.2rem);
    font-weight: var(--fw-bold);
    letter-spacing: 0.18em;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
}

.about__title-large {
    font-family: var(--font-heading-jp);
    font-size: clamp(2.4rem, 5vw, 3.6rem);
    font-weight: var(--fw-bold);
    color: var(--color-navy);
    letter-spacing: 0.3em;
    line-height: 1.4;
    margin: 0 0 var(--space-xl);
    /* 「私たちについて」の字間広め */
    text-indent: 0.3em;
}

/* Stats Row */
.about__stats {
    margin-top: var(--space-2xl);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.about__stat {
    text-align: center;
    padding: var(--space-md) var(--space-sm);
    border-radius: var(--radius-md);
    transition: all 0.4s ease;
}

.about__stat:hover {
    background: var(--bg-light-green);
    transform: translateY(-4px);
}

.about__stat-number {
    font-family: var(--font-heading-en);
    font-size: 2.65rem;
    font-weight: var(--fw-black);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.about__stat-number span {
    font-size: 0.5em;
    font-weight: var(--fw-medium);
    -webkit-text-fill-color: var(--text-secondary);
}

.about__stat-label {
    font-size: var(--fs-small);
    color: var(--text-secondary);
    margin-top: 0.5rem;
    letter-spacing: 0.05em;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .about__stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .about__title-large {
        font-size: 2rem;
        letter-spacing: 0.25em;
        margin-bottom: var(--space-lg);
    }

    .about-k__title {
        letter-spacing: 0.16em;
    }

    .about-k__lead {
        font-size: 1.1rem;
        line-height: 1.85;
    }

    .about-k__lead br {
        display: none;
    }

    .about-k__text {
        font-size: 0.92rem;
        line-height: 2.1;
    }

    .about__stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-sm);
    }

    .about__stat-number {
        font-size: 2rem;
    }
}

/* ========================================
   MVV SECTION CSS
   ======================================== */

.mvv {
    background: linear-gradient(180deg, var(--bg-light-green) 0%, #E8F0E6 100%);
    position: relative;
}

.mvv::before {
    display: none;
}

/* Our Vision の見出し：鉤括弧だけ緑にして「掲げている言葉」に見せる */
.mvv__vision-title span {
    color: var(--color-primary);
    font-weight: var(--fw-medium);
    /* 括弧は少し小さくして、中の言葉を主役にする */
    font-size: 0.78em;
    vertical-align: 0.06em;
}

/* ミッション：左に言葉／右に代表のポートレート */
.mvv__mission {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: center;
    margin-bottom: var(--space-2xl);
    text-align: left;
}

.mvv__mission-col {
    position: relative;
}

.mvv__mission-label {
    font-family: var(--font-heading-en);
    font-size: 0.8rem;
    font-weight: var(--fw-bold);
    letter-spacing: 0.2em;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
}

.mvv__mission-text {
    position: relative;
    font-family: var(--font-heading-jp);
    font-size: 2.05rem;
    font-weight: var(--fw-bold);
    color: var(--color-navy);
    line-height: 1.6;
}

.mvv__mission-text em {
    font-style: normal;
    color: var(--color-primary);
    position: relative;
}

.mvv__mission-sub {
    font-size: var(--fs-body);
    color: var(--text-secondary);
    margin-top: var(--space-sm);
    line-height: 1.9;
}

/* ============================================
   代表取締役のポートレート（切り抜き）
   円のやわらかい背景に乗せ、頭は円から出す。
   胸元は下へフェードさせて切り口を見せない。
   ============================================ */
.mvv__ceo {
    position: relative;
    text-align: center;
    margin: 0;
}

.mvv__ceo-photo {
    position: relative;
    width: 100%;
    max-width: 290px;
    aspect-ratio: 1;
    margin: 0 auto;
}

/* 円の背景 */
.mvv__ceo-photo::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle at 50% 38%, #FFFFFF 0%, #E7F1E5 62%, #D8E9D6 100%);
    box-shadow: 0 18px 40px rgba(45, 140, 78, 0.16);
}

/* 円の外周にうっすら1本の輪郭 */
.mvv__ceo-photo::after {
    content: '';
    position: absolute;
    inset: -12px;
    border: 1.5px solid rgba(45, 140, 78, 0.25);
    border-radius: 50%;
    pointer-events: none;
}

.mvv__ceo-photo img {
    position: absolute;
    left: 50%;
    bottom: -4%;
    transform: translateX(-50%);
    width: 94%;
    height: auto;
    /* 胸元を自然に消す */
    -webkit-mask-image: linear-gradient(to bottom, #000 68%, transparent 96%);
    mask-image: linear-gradient(to bottom, #000 68%, transparent 96%);
}

.mvv__ceo-name {
    margin-top: var(--space-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
}

/* 名前の上に短い罫 */
.mvv__ceo-name::before {
    content: '';
    width: 34px;
    height: 2px;
    border-radius: 1px;
    background: var(--color-primary);
    margin-bottom: 0.6rem;
}

.mvv__ceo-role {
    font-size: 0.8rem;
    font-weight: var(--fw-medium);
    letter-spacing: 0.12em;
    color: var(--text-secondary);
}

.mvv__ceo-jp {
    font-family: var(--font-heading-jp);
    font-size: 1.25rem;
    font-weight: var(--fw-bold);
    letter-spacing: 0.1em;
    color: var(--color-navy);
}

/* Value Cards */
.mvv__values {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.mvv__value-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg) var(--space-lg) var(--space-xl);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.03);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.mvv__value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: var(--color-primary);
    border-radius: 0 2px 2px 0;
    transition: width var(--transition-base);
    z-index: 2;
}

.mvv__value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.mvv__value-card:hover::before {
    width: 8px;
}

.mvv__value-number {
    font-family: var(--font-heading-en);
    font-size: 5rem;
    font-weight: var(--fw-black);
    color: transparent;
    -webkit-text-stroke: 2px var(--color-primary-light);
    opacity: 0.25;
    line-height: 1;
    position: absolute;
    top: -10px;
    right: 15px;
    z-index: 0;
    transition: all 0.4s ease;
}

.mvv__value-card:hover .mvv__value-number {
    opacity: 0.4;
    transform: scale(1.1) rotate(-5deg);
    -webkit-text-stroke-color: var(--color-primary);
}

.mvv__value-title {
    font-family: var(--font-heading-jp);
    font-size: 1.3rem;
    font-weight: var(--fw-bold);
    color: var(--color-navy);
    margin-bottom: var(--space-sm);
    margin-top: var(--space-sm);
    line-height: 1.5;
    position: relative;
    z-index: 1;
    padding-bottom: 0.8rem;
    border-bottom: 2px solid rgba(200, 200, 200, 0.3);
    display: inline-block;
    width: 100%;
}

.mvv__value-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.4s ease;
}

.mvv__value-card:hover .mvv__value-title::after {
    width: 40px;
}

.mvv__value-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

/* --- Responsive --- */
@media (max-width: 900px) {
    /* ポートレートを上、言葉を下にして縦に積む */
    .mvv__mission {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        text-align: center;
    }

    .mvv__ceo { order: -1; }
}

@media (max-width: 768px) {
    .mvv__values {
        grid-template-columns: 1fr;
    }

    .mvv__mission-text {
        font-size: 1.55rem;
    }

    .mvv__ceo-photo { max-width: 230px; }
}